The rete testis is a network of tiny channels in the back of the testis that collects sperm from the seminiferous tubules and passes it to the efferent ductules.
| Location | Within the mediastinum testis, at the posterior border of the testis |
|---|---|
| Parts |
|
| Nerve Supply | Testicular plexus (T10-T11 sympathetic) |
| Blood Supply | Testicular artery |
| Venous drainage |
|
| Lymphatic drainage |
|
Collects sperm and fluid from the seminiferous tubules and conveys them to the epididymis.
Dilatation of the rete (tubular ectasia) is a common benign ultrasound finding in older men, usually with epididymal cysts, and should not be mistaken for a tumour.
Benign cystic widening of the rete seen on ultrasound.
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